精英家教网 > 小学数学 > 题目详情
(
1
2
-0.5)÷37+24×(
7
8
-
1
3
)
分析:本题根据四则混合运算的运算顺序计算即可:先算乘除,再算加减,有括号的要先算括号里面的.后半部分可根据乘法分配律计算.
解答:解:(
1
2
-0.5)÷37+24×(
7
8
-
1
3
)

=0÷37+24×
7
8
-24×
1
3

=0+21-8,
=13.
点评:完成本题要注意分析式中数据的特点,运用合适的方法计算.
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